
    /* styles.css */
body {
    font-family: Arial, sans-serif;
}

#login-btn {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

.popup {
    display: none; /* 初始隐藏 */
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5); /* 半透明背景 */
}

.popup-content {
    background-color: #fefefe;
    margin: 15% auto; /* 15% from the top and centered */
    padding: 20px;
    width: 80%; /* Could be more or less, depending on screen size */
    max-width: 600px;
    border: 2px solid #a9a9a9;
    border-radius: 7px;
    /*    边框圆角*/
}

.close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover,
.close-btn:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.contents {
    margin: 0 30%;
    text-align: center;
    font-size: 15px;
}
